form {
  width: 1140px;
  padding: 30px;
  border: 3px solid orange;
  border-radius: 10px;
  margin: 100px auto;
  display: flex;
  flex-direction: column;
  position: relative;
  background-color: white;
  box-shadow: 0 0 5px 0 orange;
}
.empty{
  width: 1140px;
}
.empty>p{
  font-weight: 500;
  color:black;
  text-align: center;
  font-size: 30px;
}
.content > div {
  display: none!important;
}
.content > div.active {
  display: block!important;
}
.notice_list{
  width: 1140px;
  display: flex;
  position: relative;
  height: 30px;
  padding: 10px 0;
}
.notice_list>.con{
  position: absolute;
  line-height: 30px;
  float:left;
  left:0;
  font-size: 20px;
}
